Differentiation Questions and Answers

In a tidal river, the time between high tide and low tide is
Math
Differentiation Solutions
In a tidal river, the time between high tide and low tide is 5.8 hours. At high tide the depth of the water is 18.4 feet, while at low tide the depth is 4.8 feet. Assume the water depth is a
A trash company is designing an open-top, rectangular
Math
Differentiation Solutions
A trash company is designing an open-top, rectangular container that will have a volume of 6655 ft. The cost of making the bottom of the container is $5 per square foot, and the cost of the sides is
The slope of the line given by the parametric equations x
Calculus
Differentiation Solutions
The slope of the line given by the parametric equations x =12t-11 and y = 6t+13 is: a. 2 b.3 c. 6 d. 1/2 e.1/3
If the price charged for a bolt is p cents, then x thousand
Math
Differentiation Solutions
If the price charged for a bolt is p cents, then x thousand bolts will be sold in a certain hardware store, where p = 66- x/36. How many bolts must be sold to maximize revenue? A. 1,188 bolts B. 2,376
A ball is thrown into the air from a tree house and
Math
Differentiation Solutions
A ball is thrown into the air from a tree house and eventually lands on the ground. The equation below shows the distance in feet the ball is from the ground seconds after it is thrown. How high will
To measure the physical properties of cells, a piezoelectric
Math
Differentiation Solutions
To measure the physical properties of cells, a piezoelectric probe is used. The force applied by the probe is compared against how much the cell deforms. If F is the force applied by the probe, and
If f(x) = (x²-2)/(x+3) where is f not differentiable? X =
Math
Differentiation Solutions
If f(x) = (x²-2)/(x+3) where is f not differentiable? X =
Which step is necessary in verifying that InB + 3 = -3t is a
Math
Differentiation Solutions
Which step is necessary in verifying that InB + 3 = -3t is a solution to dB/dt=-3B? a)e^InB + e^3 = e^-3t b)1/B (dB/dt)=-3 c) edB = -3dt d)∫(InB+3)dB = ∫-3t dt
Let f be a twice-differentiable function with derivative
Math
Differentiation Solutions
Let f be a twice-differentiable function with derivative given by f'(x) = 4x³ - 24x². (A) Find the x-coordinate of any possible critical points of f. Show your work. (B) Find the x-coordinate of any
For the differential equation dy/dx=-( e^-x)-3x^2  A): Find
Math
Differentiation Solutions
For the differential equation dy/dx=-( e^-x)-3x^2 A): Find a general solution. Show all your work. B): Verify the solution. Show all your work.
Suppose that f(4) = 3, g(4) = 4, f'(4) = -5, and g'(4) = 2.
Math
Differentiation Solutions
Suppose that f(4) = 3, g(4) = 4, f'(4) = -5, and g'(4) = 2. Find h'(4). (a) h(x) = 3f(x) + 2g(x) h'(4) = (b) h(x) = f(x)g(x) h'(4) = (c) h(x) =f(x)/g(x) h'(4) = (d) h(x) =(g(x))/(f(x) + g(x))
Jenae tosses a quarter from the shore into the St. Johns
Math
Differentiation Solutions
Jenae tosses a quarter from the shore into the St. Johns River. The distance h(t), in feet, from which the quarter is above the water is modeled by the expression h(t) = -16t2+64t where t represents